MSExchange Antispam 400

  • Article

 

This article provides an explanation and possible resolutions for a specific Exchange event. If you don't find what you’re looking for here, try searching Exchange 2010 Help.

Details

Product Name

Exchange

Product Version

14.0

Event ID

400

Event Source

MSExchange Antispam

Category

General

Symbolic Name

UpdateAgentFileNotLoaded

Message Text

Update agent warning. Microsoft Exchange couldn't load the IP reputation data file.

Explanation

This Error event indicates that the IP reputation data file could not be loaded or read. This may be caused by one of the following issues:

  • The file is corrupted at the binary level.

  • The file cannot be read because it is locked by another process.

  • The file is larger than two gigabytes.

The IP reputation data files are Microsoft.SmartScreen.DomainRep.dat and Microsoft.SmartScreen.Fp.Dat. By default, the files are located at %ExchangeInstallPath%\TransportRoles\Agents\Hygiene. The server will continue processing, but sender reputation will be inoperative.

User Action

To resolve this error, do one or more of the following:

  • Review the Application log and System log on your Exchange 2010 servers for related events. For example, events that occur immediately before and after this event may provide more information about the root cause of this error.

  • If a write lock by another process is the cause, determine why the other process is writing to this file. If it is a file level antivirus program, exclude the directory from the antivirus scan.

  • If the file is either corrupted or larger than two gigabytes:

    • Contact a Microsoft Support professional to resolve this issue. To contact a Microsoft Support professional, visit the Exchange Server Solutions Center. In the navigation pane, click Assisted Support Options and use one of the assisted support options to contact a Microsoft Support professional. Because your organization may have a specific procedure for directly contacting Microsoft Product Support Services, be sure to review your organization's guidelines first.

For More Information

If you are not already doing so, consider running the Exchange tools, which have been created to help you analyze and troubleshoot your Exchange environment. These tools can help make sure that your configuration aligns with Microsoft best practices. They can also help you identify and resolve performance issues and improve mail flow. To run these tools, go to the Toolbox node of the Exchange Management Console. To learn more about these tools, see Managing Tools in the Toolbox.